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FR3082617B1 - CAMSHAFT TOOTHED WHEEL FOR THREE OR FOUR CYLINDER ENGINES - Google Patents

CAMSHAFT TOOTHED WHEEL FOR THREE OR FOUR CYLINDER ENGINES Download PDF

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Publication number
FR3082617B1
FR3082617B1 FR1855382A FR1855382A FR3082617B1 FR 3082617 B1 FR3082617 B1 FR 3082617B1 FR 1855382 A FR1855382 A FR 1855382A FR 1855382 A FR1855382 A FR 1855382A FR 3082617 B1 FR3082617 B1 FR 3082617B1
Authority
FR
France
Prior art keywords
teeth
toothed wheel
group
cylinder engines
circumference
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
FR1855382A
Other languages
French (fr)
Other versions
FR3082617A1 (en
Inventor
Fabien Joseph
Stephane Eloy
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Continental Automotive GmbH
Continental Automotive France SAS
Original Assignee
Continental Automotive GmbH
Continental Automotive France SAS
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Continental Automotive GmbH, Continental Automotive France SAS filed Critical Continental Automotive GmbH
Priority to FR1855382A priority Critical patent/FR3082617B1/en
Priority to PCT/EP2019/065903 priority patent/WO2019243266A1/en
Publication of FR3082617A1 publication Critical patent/FR3082617A1/en
Application granted granted Critical
Publication of FR3082617B1 publication Critical patent/FR3082617B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02D—CONTROLLING COMBUSTION ENGINES
    • F02D41/00—Electrical control of supply of combustible mixture or its constituents
    • F02D41/009—Electrical control of supply of combustible mixture or its constituents using means for generating position or synchronisation signals
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L1/00—Valve-gear or valve arrangements, e.g. lift-valve gear
    • F01L1/34—Valve-gear or valve arrangements, e.g. lift-valve gear characterised by the provision of means for changing the timing of the valves without changing the duration of opening and without affecting the magnitude of the valve lift
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/245—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using a variable number of pulses in a train
    • G01D5/2454—Encoders incorporating incremental and absolute signals
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/247—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using time shifts of pulses
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D5/00—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable
    • G01D5/12—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means
    • G01D5/244—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains
    • G01D5/249—Mechanical means for transferring the output of a sensing member; Means for converting the output of a sensing member to another variable where the form or nature of the sensing member does not constrain the means for converting; Transducers not specially adapted for a specific variable using electric or magnetic means influencing characteristics of pulses or pulse trains; generating pulses or pulse trains using pulse code
    • G01D5/2492—Pulse stream
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01L—CYCLICALLY OPERATING VALVES FOR MACHINES OR ENGINES
    • F01L13/00—Modifications of valve-gear to facilitate reversing, braking, starting, changing compression ratio, or other specific operations
    • F01L2013/11—Sensors for variable valve timing
    • F01L2013/111—Camshafts position or phase

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Valve-Gear Or Valve Arrangements (AREA)
  • Valve Device For Special Equipments (AREA)

Abstract

La présente invention a pour objet une roue dentée (1) d'arbre à cames, comprenant une pluralité de dents (10) réparties sur sa circonférence, la roue dentée comprenant quatre groupes de dents tels que : - un premier groupe (13) comporte une dent, - un deuxième groupe (14) comporte deux dents, - un troisième groupe (15) comporte trois dents, et - un quatrième groupe (16) comporte quatre dents, les groupes de dents étant agencés de sorte que : - les dents consécutives de chaque groupe comprenant au moins deux dents sont toutes espacées d'un même écart angulaire, - la roue dentée comprenne, entre deux groupes de dents consécutifs, une portion dépourvue de dents (17) s'étendant sur au moins 35 ° - il y ait quatre dents espacées de 90° sur la circonférence de la roue dentée, et trois dents espacées de 120° sur la circonférence de la roue dentée.The subject of the present invention is a camshaft toothed wheel (1) comprising a plurality of teeth (10) distributed over its circumference, the toothed wheel comprising four groups of teeth such that: - a first group (13) comprises a tooth, - a second group (14) has two teeth, - a third group (15) has three teeth, and - a fourth group (16) has four teeth, the groups of teeth being arranged so that: - the teeth consecutive of each group comprising at least two teeth are all spaced by the same angular distance, - the toothed wheel comprises, between two groups of consecutive teeth, a portion without teeth (17) extending over at least 35 ° - it There are four teeth 90 ° apart on the circumference of the toothed wheel, and three teeth 120 ° apart on the circumference of the toothed wheel.

FR1855382A 2018-06-19 2018-06-19 CAMSHAFT TOOTHED WHEEL FOR THREE OR FOUR CYLINDER ENGINES Active FR3082617B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
FR1855382A FR3082617B1 (en) 2018-06-19 2018-06-19 CAMSHAFT TOOTHED WHEEL FOR THREE OR FOUR CYLINDER ENGINES
PCT/EP2019/065903 WO2019243266A1 (en) 2018-06-19 2019-06-17 Toothed wheel for camshaft for a motor with three or four cylinders

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR1855382A FR3082617B1 (en) 2018-06-19 2018-06-19 CAMSHAFT TOOTHED WHEEL FOR THREE OR FOUR CYLINDER ENGINES
FR1855382 2018-06-19

Publications (2)

Publication Number Publication Date
FR3082617A1 FR3082617A1 (en) 2019-12-20
FR3082617B1 true FR3082617B1 (en) 2020-10-16

Family

ID=63491703

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1855382A Active FR3082617B1 (en) 2018-06-19 2018-06-19 CAMSHAFT TOOTHED WHEEL FOR THREE OR FOUR CYLINDER ENGINES

Country Status (2)

Country Link
FR (1) FR3082617B1 (en)
WO (1) WO2019243266A1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3085422B1 (en) * 2018-08-29 2020-11-27 Continental Automotive France REVERSIBLE CAMSHAFT TARGET

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01100350A (en) * 1987-10-12 1989-04-18 Fuji Heavy Ind Ltd Reference signal sensing device for internal combustion engine
US6474278B1 (en) * 2000-11-20 2002-11-05 General Motors Corporation Global cam sensing system
DE102013210838A1 (en) * 2013-06-11 2014-12-11 Robert Bosch Gmbh Camshaft position sensor wheel and method and apparatus for determining a camshaft position

Also Published As

Publication number Publication date
WO2019243266A1 (en) 2019-12-26
FR3082617A1 (en) 2019-12-20

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